using System.Data;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System.Data.SqlClient;  // MS SQLServer
using MySql.Data.MySqlClient; // MySQL/MariaDB
using StackExchange.Redis;
using Dubonnet.Example.Models;

namespace Dubonnet.Example
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.Configure<CookiePolicyOptions>(options =>
            {
                // This lambda determines whether user consent for non-essential cookies is needed for a given request.
                options.CheckConsentNeeded = context => true;
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });
            IDbConnection conn;
            var connName = Configuration.GetConnectionString("ConnName");
            if (connName.ToLower() == "mysql")
            {
                conn = new MySqlConnection(Configuration.GetConnectionString(connName));
            } else {
                conn = new SqlConnection(Configuration.GetConnectionString(connName));
            }
            services.AddSingleton(new AppDbContext(conn));
            var dsnRedis = Configuration.GetConnectionString("Redis");
            services.AddSingleton(ConnectionMultiplexer.Connect(dsnRedis));

            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseStaticFiles();
            app.UseCookiePolicy();
            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    "default",
                    "{controller=Home}/{action=Index}/{id?}");
            });
        }
    }
}
